Thomas d



T-. D. M'OWLDS. Water-Cooler.

No.- 224,712. Patented Feb. 17, 1880.,

NJUERS. PHOTO-LITHCIGRAFHER. WASHINGTON, DJ.

UNITED STATES- PATENT OFFICE.

THOMAS D. MOWLDS, PHILADELPHIA, PENNSYLVANIA.

WATER-COOLER.

SPECIFICATION forming part of Letters Patent No. 224,712, dated February17, 1880.

Application filed November 20, 1879.

of ice used, and at the same time reduce the drinking-water to thelowest possible temperature.

To this end the invention consists of two a concentric chambers, theinner one provided With an air-tight coverand the outer one divided intotwo compartments, the lower compartment being packed with non-conductingmaterial and the upper one'connected with the inner chamber by means ofa pipe, and

serving as a reservoir to admit water automatically in small quantitiesto the said inner chamber, as thewater is drawn off for use I through asuitable pipe, as more fully hereinafter specified.

In the accompanying drawings, in which similar letters of referenceindicate like parts, Figure l is a plan of the cooler. Fig. 2 is avertical sectional view of same ready for use.

G is the chamber for the ice; D, a lump of ice; F, a small quantity ofwater in the ice chamber around the lump of ice D; B B B, a reservoircontaining an additional supply of water; A A A, the packing around theice chamber. This packing may extend a greater or less distance uparound the ice-chamber or be discarded entirely.

H is a tube connecting the reservoir with the bottom of the ice-chamber;I, a movable lid to the ice-chamber; E E, a gum washer to make the lid Ilit air-tight; K, an iron rod ex tending across the top of the lid andbent so as to fit under a flange around the rim of the ice-chamber, andby this means keep the lid in position and air-tight. Gris a spigot fordrawing off the cool water for use. a

The manner of operating the cooler is as follows, viz: The cover I isremoved from the top of the ice-chamber G and the ice and a smallquantity of water is placed therein, after which the air-tight cover(which may be of any design) is securely adjusted to the top of theice-chamber. The additional supply of water is then poured into thereservoir 18 B B. The ice-chamber 0 being already filled with ice,Water, and air, and perfectly air-tight, no more water can flow into itfrom the reservoir B B B until some is drawn off through the spigot G,when a quantity equal to that drawn off immediately flows into theicechamber 0 from the reservoir B B B through the tube H.

What I claim as my invention is- The combination, in a water-cooler, oftwo concentric chambers, the inner one being provided with an air-tightcover and a suitable draft-tube, the outer one being divided into two

